若| log a 1/4 |=log a 1/4 ,| log b a |=-log b a 则 a b满足什么条件
log a b*log b c=log b b*log a c成立吗
log(ab)=log(a)+ log(b)吗
log a b=log b a,则:ab=?
设a>b>1,log(a)b+log(b)a=10/3,则log(a)b-log(b)a=
利用换底公式证明:log(a)b.log(b)c.log(c)a=1
已知a大于b大于1,log(a)b+log(b)a=10/3,求log(a)b-log(b)a的值
已知a<b<1,log(a)b+log(b)a=10/3,求log(a)b-log(b)a的值
公式:log(a)(b)*log(b)(a)=?
化简log(1/a)b+log(a)b
若a²>b>a>1,试比较log b b/a ,log b a,log a b的大小
a^[log(a)b×log(b)c×log(c)N]
1/log(a)(b)=log(b)(a)属于什么公式(是换底公式吗?怎样证明?